Weather World
Borough of Cornwall, PACornwall, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Cornwall, PA Weather Forecast
Cornwall, PA Weather Forecast Date: 300 PM EDT Sun Sep 06 2026
The area/counties/county of: Lebanon, including the city of Lebanon.or toggle through each period.
This Afternoon... Mostly sunny. Near steady temperature in the upper 70s. North winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph.
Labor Day... Sunny. Highs around 80. North winds around 5 mph.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. North winds around 5 mph in the evening, becoming light and variable.
Tuesday... Sunny. Highs in the lower 80s. Light and variable winds, becoming west around 5 mph in the afternoon.
Tuesday Night... Partly cloudy. Lows around 60.
Wednesday... Mostly sunny. Very warm with highs in the mid 80s.
Wednesday Night... Partly cloudy. Lows in the upper 60s.
Thursday... Partly sunny. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the mid 80s. Chance of rain 60%.
Thursday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows around 60. Chance of rain 60%.
Friday... Sunny. Highs in the upper 70s.
Friday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
Cornwall Radar Loop
Use the map search tool if you want to place a location marker on the radar map...